:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
A fast JSONLogic rules engine: one Rust core with official bindings for Node.js, Python, Go, Java, .NET, PHP, and the browser (WASM), plus a React visual debugger.